package com.tms.ned.controlmonitor;

import java.util.Comparator;

/*
 * Licensed under the Apache License, Version 2.0;<br> 
 * 
 * You may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless 
 * required by applicable law or agreed to in writing, software distributed under the License 
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and limitations under the License. 
 */

/**
 * A simple Comparator that implements the compare() method by using
 * the equals() method of the objects.
 * @author bshannon
 *
 */
public class EqualsComparator implements Comparator {

	public final int compare(Object o1, Object o2) {
		if (o1 == null && o2 == null) {
			return 0;
		}

		if (o1.equals(o2)) {
			return 0;
		}
		return -1;
	}

}
